The Best Science Subreddits in 2026

Science subreddits range from peer-reviewed news to communities where scientists answer questions directly.

These are the best science subreddits in 2026.

Published . Member counts are approximate; activity checked September 25, 2026.

The best science subreddits

  1. 1
    r/science33M+ membersVery active · 100+ posts/monthStats →

    Best for: Science news

    Peer-reviewed research news with strict rules.

  2. 2
    r/askscience26M+ membersVery active · 100+ posts/monthStats →

    Best for: Asking scientists

    Questions answered by verified experts.

  3. 3
    r/space27M+ membersVery active · 100+ posts/monthStats →

    Best for: Space

    Space news and discussion.

  4. 4
    r/Astronomy2.9M+ membersVery active · 100+ posts/monthStats →

    Best for: Astronomy

    Astronomy and astrophotography.

  5. 5
    r/Physics3M+ membersVery active · 100+ posts/monthStats →

    Best for: Physics

    Physics news and discussion.

  6. 6
    r/AskPhysics1.3M+ membersVery active · 100+ posts/monthStats →

    Best for: Physics questions

    Ask anything about physics.

  7. 7
    r/biology5.2M+ membersVery active · 100+ posts/monthStats →

    Best for: Biology

    Biology discussion.

  8. 8
    r/chemistry3.6M+ membersVery active · 100+ posts/monthStats →

    Best for: Chemistry

    Chemistry discussion.

  9. 9
    r/geology230K+ membersVery active · 100+ posts/monthStats →

    Best for: Geology

    Rocks and earth science.

  10. 10
    r/EverythingScience580K+ membersVery active · 100+ posts/monthStats →

    Best for: Science news

    Broader science news.

  11. 11
    r/labrats650K+ membersVery active · 100+ posts/monthStats →

    Best for: Lab life

    Life as a lab scientist.

  12. 12
    r/sciencememes3.7M+ membersVery active · 100+ posts/monthStats →

    Best for: Science humor

    Science memes.

Want your own Science subreddit? Claim a dead one.

The subreddits above are thriving — but for every active community there are dozens of abandoned ones with thousands of subscribers and no active moderators. Reddit lets you take these over through its official r/redditrequest process. DeadSubs scans Reddit in real time to find dead science subreddits you can claim.

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Looking specifically for abandoned communities to take over? See our guide to dead technology subreddits or read the step-by-step claiming guide.

Frequently Asked Questions

What is the best science subreddit?

r/science for research news and r/askscience for expert answers.

Where can I ask a scientist a question?

r/askscience, where answers come from verified experts.

Is there a subreddit for astronomy?

Yes — r/Astronomy and r/space.

Can I claim a dead science subreddit?

Yes. Subreddits for specific fields and projects are often abandoned. If all human mods have been inactive for 60+ days, request it via r/redditrequest. DeadSubs finds them.

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Best Technology Subreddits

The best technology subreddits in 2026 — tech news, gadgets, hardware, cybersecurity, and IT. A curated list of the most active tech communities on Reddit.

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